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21.co.uk Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 07/01/2024

21.co.uk traffic estimate is about 4,231 unique visitors and 12,693 pageviews per day. The approximated value of 21.co.uk is 13,680 USD. Every unique visitor makes about 3 pageviews on average.

Alexa Traffic Rank estimates that 21.co.uk is ranked number 46,167 in the world.

21.co.uk is registered under .UK top-level domain. Check other websites in .UK zone.

During the last check (July 01, 2024) 21.co.uk has an invalid SSL certificate. please click the “Refresh” button for SSL Information at the Safety Information section.

In accordance with our information 21.co.uk is a suspicious domain.

Relying on Google Mobile-Friendly test 21.co.uk is well optimized for mobile and tablet devices, however website page loading time may be improved.

21.co.uk General Information

21.co.uk Audience Geography

Where are website visitors coming from?

Visitors
Pageviews
Ranks

Country	Visitors

21.co.uk Traffic Distribution

Where do visitors go on 21.co.uk?

Subdomain Traffic
Views per User
Subdomain Reach

Subdomain	Pageviews

21.co.uk Popularity

How popular is 21.co.uk?

Global Rank
Pageviews
Reach

Period	Global Rank	Global Rank Delta

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21.co.uk Safety Information

Rankchart Summary

Not Safe

Updated: 07/01/2024

We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.

Norton Connect Safe

Safe

Updated: 03/30/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Unknown

Updated: 07/01/2024

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 03/01/2021

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McAfee assesses 21.co.uk for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze 21.co.uk for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 07/01/2024

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The WOT calculates reputation of the 21.co.uk. This reputation system receives ratings from users and information from third-party sources, assesses the 21.co.uk for safety features and confirms, whether 21.co.uk is suitable for children.

21.co.uk SSL Information

Information about SSL/TLS certificates

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Domain	Unknown
Issuer Organization	Unknown
Issuer	Unknown
Algorithm	Unknown
Valid form	Unknown
Expiration	Unknown
Signed	No information
Additional Domains

SSL Checker

21.co.uk Server Information

21.co.uk Server Location

Where website hosting server is located?

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21.co.uk ASN Information

Information about IP address owner

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ASN ID: 19551

ASN Title: INCAPSULA - Incapsula Inc, US

Updated: 03/03/2024

Raw ASN data:

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 19551
ASName: INCAPSULA
ASHandle: AS19551
RegDate: 2011-01-12
Updated: 2012-02-24
Ref: https://rdap.arin.net/registry/autnum/19551

OrgName: Incapsula Inc
OrgId: INCAP-5
Address: 3400 Bridge Parkway, Suite 200
City: Redwood Shores
StateProv: CA
PostalCode: 94065
Country: US
RegDate: 2010-09-14
Updated: 2018-04-15
Ref: https://rdap.arin.net/registry/entity/INCAP-5

OrgTechHandle: HASID-ARIN
OrgTechName: Hasid, Ortal
OrgTechPhone: +505113315
OrgTechEmail: ortal.hasid@imperva.com
OrgTechRef: https://rdap.arin.net/registry/entity/HASID-ARIN

OrgTechHandle: INCAP3-ARIN
OrgTechName: Incapsula, Imperva
OrgTechPhone: +1-450-405-4945
OrgTechEmail: netops@incapsula.com
OrgTechRef: https://rdap.arin.net/registry/entity/INCAP3-ARIN

OrgTechHandle: KURTZ49-ARIN
OrgTechName: Kurtzer, Olga
OrgTechPhone: +1-650-345-9004
OrgTechEmail: olga.kurtzer@imperva.com
OrgTechRef: https://rdap.arin.net/registry/entity/KURTZ49-ARIN

OrgNOCHandle: INCAP2-ARIN
OrgNOCName: Incapsula Operations
OrgNOCPhone: +1-866-250-7659
OrgNOCEmail: ip@incapsula.com
OrgNOCRef: https://rdap.arin.net/registry/entity/INCAP2-ARIN

OrgAbuseHandle: INCAP1-ARIN
OrgAbuseName: Incapsula AbuseDesk
OrgAbusePhone: +1-866-250-7659
OrgAbuseEmail: abuse@incapsula.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/INCAP1-ARIN

OrgTechHandle: BRONS9-ARIN
OrgTechName: Bronstein, Tomer
OrgTechPhone: +1-866-250-7659
OrgTechEmail: tomer.bronshtein@imperva.com
OrgTechRef: https://rdap.arin.net/registry/entity/BRONS9-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Geolocation

ASN Lookup

21.co.uk Domain Name Information

21.co.uk DNS Information

Domain name service records

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A

Host	A Record	TTL

21.co.uk Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Whois

DNS Lookup

21.co.uk HTML Validation

21.co.uk W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Attribute “alt” not allowed on element “a” at this point.

Bad value “application/x-www-form-urlencoded;charset=UTF-8” for attribute “enctype” on element “form”.

No space between attributes.

Duplicate attribute “autocapitalize”.

Duplicate attribute “autocorrect”.

Attribute “autocorrect” not allowed on element “input” at this point.

Attribute “autocapitalize” not allowed on element “input” at this point.

Element “form” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

Duplicate attribute “class”.

Bad value “” for attribute “id” on element “ul”: An ID must not be the empty string.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

The element “button” must not appear as a descendant of the “a” element.

Bad value “false” for attribute “autocomplete” on element “form”.

Element “legend” not allowed as child of element “fieldset” in this context. (Suppressing further errors from this subtree.)

Duplicate ID “”.

Bad value “” for attribute “id” on element “div”: An ID must not be the empty string.

Duplicate ID “house_number”.

Bad value “false” for attribute “autocomplete” on element “input”: The string “false” is not a valid autofill field name.

Duplicate ID “gender-container”.

The “for” attribute of the “label” element must refer to a non-hidden form control.

Warnings:

The “contentinfo” role is unnecessary for element “footer”.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

The first occurrence of ID “” was here.

The first occurrence of ID “house_number” was here.

The first occurrence of ID “gender-container” was here.

HTML Validator

21.co.uk Desktop Performance

How Well 21.co.uk Performs On Desktops?

Website desktop performance and usability tips

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Speed
Resource Breakdown

Speed

80%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Reduce server response time

Leverage browser caching

Optimize images

Minify JavaScript

Minify CSS

Minify HTML

Updated: 12/27/2015

21.co.uk Mobile Performance

How Optimized Is 21.co.uk for Mobile Devices?

Tips on speeding up mobile site performance

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Usability
Speed
Resource Breakdown

Usability

99%

Size tap targets appropriately

Updated: 12/27/2015

21.co.uk Nearest Competitors

Estimated Nearest Competitors Of 21.co.uk

haop.hr
liberoaankoop.nl
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squeezely.tech
2***o.uk
jxga2sc.com
treadlabs.com
erdon.ro
laboratoire-lescuyer.com
schwalbe.de
invalidiliitto.fi
newcastlejets.com.au
sirthelabel.com
mosellandtouristik.de
weeksvillesociety.org
clermontauvergnevolcans.com

21.co.uk URL Typos

Most common user URL mistypes for 21.co.uk

www.21.com
www.21.net
www.21.org
www.21.info
www.21.biz
www.21.us
www.21.mobi
www.1.co.uk
www.21.co.uk
www.2.co.uk

Total Resources	62
Number of Hosts	9
Static Resources	54
JavaScript Resources	25
CSS Resources	8

CSS	170.1 KBytes
Images	1.1 MBytes
HTML	67.7 KBytes
JavaScript	1.2 MBytes
Other	42.1 KBytes

Total Resources	242
Number of Hosts	9
Static Resources	231
JavaScript Resources	12
CSS Resources	5

CSS	145.2 KBytes
Images	6.0 MBytes
HTML	179.2 KBytes
JavaScript	203.6 KBytes
Other	84.7 KBytes